#include<cstdio>
#include<cstdlib>

int main(){
	int i;
	char s[100]="";
	gets(s);
	
	for(i=0;s[i]!='\0';i++){
	    if(s[i]>='a'&&s[i]<='z')
	        s[i]=(s[i]+2-'a')%26+'a';
	    if(s[i]>='A'&&s[i]<='Z')
	        s[i]=(s[i]+2-'A')%26+'A';
	    if(s[i]>='0'&&s[i]<='9')
	        s[i]=(s[i]+2-'0')%10+'0'; 
    }
    puts(s);
	return 0;
}
